2005 in basketball

Professional

 * Men
 * NBA: San Antonio Spurs over the Detroit Pistons 4-3. MVP: Tim Duncan
 * See also 2004–05 NBA season, 2005 NBA Playoffs, 2005 NBA Finals, 2005 NBA draft, 2005 NBA All-Star Game
 * EuroBasket 2005: Greece 78, Germany 62
 * EuroLeague:
 * Maccabi Tel Aviv defeated TAU Cerámica 90-78 in the final
 * Philippine Basketball Association 2004–05 season:
 * Barangay Ginebra Kings over the Talk N' Text Phone Pals 4-2 in the Philippine Cup Finals
 * San Miguel Beermen over the Talk N' Text Phone Pals 4-1 in the Fiesta Conference Finals
 * Women
 * WNBA: Sacramento Monarchs over the Connecticut Sun 3-1. MVP: Yolanda Griffith
 * see also 2005 WNBA season, 2005 WNBA Playoffs, 2005 WNBA Finals, 2005 WNBA draft, 2005 WNBA All-Star Game
 * Eurobasket Women: Czech Republic 72, Russia 70

College

 * Men
 * 🇺🇸 NCAA
 * NCAA Division I: North Carolina 75, Illinois 70
 * NIT: South Carolina 60, Saint Joseph's 57
 * NCAA Division II: Virginia Union 63, Bryant 58
 * NCAA Division III: Wisconsin–Stevens Point 73, Rochester 49
 * 🇺🇸 NAIA
 * NAIA Division I John Brown (Ark.) 65, Azusa Pacific (Cal.) 55
 * NAIA Division II Walsh (Ohio) 81, Concordia (Neb.) 70
 * Women
 * 🇺🇸 NCAA
 * NCAA Division I: Baylor 84, Michigan State 62
 * WNIT: Southwest Missouri State 78, West Virginia 70
 * NCAA Division II: Washburn 70, Seattle Pacific 53
 * NCAA Division III: Millikin 70, Randolph-Macon 50
 * 🇺🇸 NAIA
 * NAIA Division I Union (Tenn.) 67, Oklahoma City 63
 * NAIA Division II Morningside (Iowa) 75, Cedarville (Ohio) 65
 * 🇺🇸 NJCAA
 * Division I:  Central Arizona College Coolidge, Ariz. 83, College of Southern Idaho, Twin Falls 50
 * Division II: Monroe Community College, N.Y 62,  Illinois Central College, East Peoria, Ill. 46
 * Division III: Anoka-Ramsey Community College, Minn 64,  Monroe College, New York 60
 * Philippines
 * 🇵🇭 UAAP
 * UAAP Men's: FEU Tamaraws over La Salle Green Archers, 2-0
 * NCAA Seniors: Letran Knights over PCU Dolphins, 2-1
 * UAAP Women's: Ateneo Lady Eagles over Adamson Lady Falcons 2-0
 * NCAA Juniors: San Sebastian Staglets over San Beda Red Cubs 2-0
 * UAAP Juniors: DLSZ Junior Archers over UPIS Junior Maroons 2-0

Naismith Memorial Basketball Hall of Fame

 * Class of 2005:
 * Jim Boeheim
 * Hubert "Hubie" Brown
 * Jim Calhoun
 * Sue Gunter
 * Hortencia de Fatima Marcari

Women's Basketball Hall of Fame

 * Class of 2005
 * Joe Ciampi
 * Kelli Litsch
 * Hunter Low
 * Edna Tarbutton
 * Dixie Woodall
 * Lynette Woodard

Professional

 * Men
 * NBA Most Valuable Player Award:  Steve Nash
 * NBA Rookie of the Year Award: Emeka Okafor
 * NBA Defensive Player of the Year Award: Ben Wallace
 * FIBA Europe Player of the Year Award: Dirk Nowitzki, Dallas Mavericks and
 * Euroscar: Dirk Nowitzki, Dallas Mavericks and
 * Mr. Europa: Dirk Nowitzki, Dallas Mavericks and
 * Women
 * WNBA Most Valuable Player Award: Sheryl Swoopes, Houston Comets
 * WNBA Defensive Player of the Year Award: Tamika Catchings, Indiana Fever
 * WNBA Rookie of the Year Award: Temeka Johnson, Washington Mystics
 * WNBA Most Improved Player Award: Nicole Powell, Sacramento Monarchs
 * Kim Perrot Sportsmanship Award: Taj McWilliams-Franklin, Connecticut Sun
 * WNBA Coach of the Year Award: John Whisenant, Sacramento Monarchs
 * WNBA All-Star Game MVP: Sheryl Swoopes, Houston Comets
 * WNBA Finals Most Valuable Player Award: Yolanda Griffith, Sacramento Monarchs
 * FIBA Europe Player of the Year Award: Maria Stepanova, 🇷🇺 CSKA Samara, Connecticut Sun, and

Collegiate

 * Combined
 * Legends of Coaching Award: Jim Calhoun, Connecticut
 * Men
 * John R. Wooden Award: Andrew Bogut, Utah
 * Naismith College Coach of the Year: Bruce Weber, Illinois
 * Frances Pomeroy Naismith Award: Nate Robinson, Washington
 * Associated Press College Basketball Player of the Year: Andrew Bogut, Utah
 * NCAA basketball tournament Most Outstanding Player: Joakim Noah, Florida
 * USBWA National Freshman of the Year: Marvin Williams, North Carolina
 * Associated Press College Basketball Coach of the Year: Tubby Smith, Kentucky
 * Naismith Outstanding Contribution to Basketball: Everett Case
 * Women
 * John R. Wooden Award: Seimone Augustus, LSU
 * Naismith College Player of the Year: Seimone Augustus, LSU
 * Naismith College Coach of the Year: Pokey Chatman, LSU
 * Wade Trophy: Seimone Augustus, LSU
 * Frances Pomeroy Naismith Award: Tan White, Mississippi State
 * Associated Press Women's College Basketball Player of the Year: Seimone Augustus, LSU
 * NCAA basketball tournament Most Outstanding Player: Sophia Young, Baylor
 * Basketball Academic All-America Team: Kate Endress, Ball State
 * Carol Eckman Award: Bonnie Henrickson, Kansas
 * USBWA National Freshman of the Year: Candice Wiggins, Stanford
 * USBWA National Freshman of the Year: Tasha Humphrey, Georgia
 * Associated Press College Basketball Coach of the Year: Joanne P. McCallie, Michigan State
 * List of Senior CLASS Award women's basketball winners: Kendra Wecker, Kansas State
 * Nancy Lieberman Award: Temeka Johnson, LSU
 * Naismith Outstanding Contribution to Basketball: Leon Barmore

Movies

 * Coach Carter
 * Rebound (film)

Deaths

 * March 17 — Norm Mager, NBA player (Baltimore Bullets) and college champion (CCNY) (born 1926)
 * March 19 – Greg Cook, American college player (LSU) (born 1958)
 * April 11 — Doug Peden, Canadian Olympic silver medalist (1936) (born 1916)
 * April 14 — Chet Aubuchon, American BAA player (Detroit Falcons) (born 1916)
 * April 18 — Clarence Gaines, Basketball Hall of Fame coach (born 1923)
 * May 1 — George Mikan, Basketball Hall of Fame player (born 1924)
 * June 4 — Banks McFadden, American college coach (Clemson Tigers) (born 1917)
 * June 29 — Marc Freiberger, American Olympic gold medalist (1952) (born 1928)
 * August 4 — Sue Gunter, women's coach for Louisiana State University for 22 seasons (born 1939)
 * August 16 — Aleksandr Gomelsky, Basketball Hall of Fame coach (born 1928)
 * August 18 — Kenyon Jones, American player (born 1977)
 * August 25 — Teo Cruz, Puerto Rican BSN player, five-time Olympian (born 1942)
 * September 5 — Hank Anderson, American college coach (Gonzaga, Montana State) (born 1920)
 * September 22 — Lee Huber, American NBL player (Akron Goodyear Wingfoots) (born 1919)
 * September 26 — Shawntinice Polk, Arizona Wildcats women's player (born 1983)
 * October 12 — Erwin Graf, American NBL player (Sheboygan Red Skins) (born 1917)
 * October 15 — Jason Collier, Atlanta Hawks center (born 1977)
 * November 23 — Nate Hawthorne, NBA player (Los Angeles Lakers, Phoenix Suns) (born 1951)
 * December 18 — Bill Coulthard, Canadian Olympic player (1952) (born 1923)
 * December 27 — Giancarlo Primo, Italian coach and FIBA Hall of Fame member (born 1924)